name: 'Release: Code freeze'
on:
    schedule:
        - cron: '0 23 * * 1' # Run at 2300 UTC on Mondays.
    workflow_dispatch:
        inputs:
            timeOverride:
                description: "Time Override: The time to use in checking whether the action should run (default: 'now')."
                default: 'now'
            skipSlackPing:
                description: 'Skip Slack Ping: If true, the Slack ping will be skipped (useful for testing)'
                type: boolean
            slackChannelOverride:
                description: 'Slack Channel Override: The channel ID to send the Slack ping about the freeze'

env:
    TIME_OVERRIDE: ${{ inputs.timeOverride || 'now' }}
    GIT_COMMITTER_NAME: 'WooCommerce Bot'
    GIT_COMMITTER_EMAIL: 'no-reply@woocommerce.com'
    GIT_AUTHOR_NAME: 'WooCommerce Bot'
    GIT_AUTHOR_EMAIL: 'no-reply@woocommerce.com'

permissions: {}

jobs:
    code-freeze-prep:
        name: 'Verify that today is the day of the code freeze and prepare repository'
        runs-on: ubuntu-20.04
        permissions:
            contents: write
            issues: write
            pull-requests: write
        outputs:
            freeze: ${{ steps.check-freeze.outputs.freeze }}
            nextReleaseBranch: ${{ steps.branch.outputs.nextReleaseBranch }}
            nextReleaseVersion: ${{ steps.milestone.outputs.nextReleaseVersion }}
            nextDevelopmentVersion: ${{ steps.milestone.outputs.nextDevelopmentVersion }}
        steps:
            - name: Checkout code
              uses: actions/checkout@v3
              with:
                  fetch-depth: 0

            - name: Setup PNPM
              uses: pnpm/action-setup@c3b53f6a16e57305370b4ae5a540c2077a1d50dd
              with:
                  version: '8.6.5'

            - name: Setup Node
              uses: actions/setup-node@64ed1c7eab4cce3362f8c340dee64e5eaeef8f7c
              with:
                  node-version-file: .nvmrc
                  cache: pnpm
                  registry-url: 'https://registry.npmjs.org'

            - name: Install prerequisites
              run: |
                  pnpm install --filter monorepo-utils --ignore-scripts
                  # ignore scripts speeds up setup signficantly, but we still need to build monorepo utils
                  pnpm build
              working-directory: tools/monorepo-utils

            - name: 'Check whether today is the code freeze day'
              id: check-freeze
              run: pnpm utils code-freeze verify-day -o $TIME_OVERRIDE

            - name: Create next milestone
              id: milestone
              if: steps.check-freeze.outputs.freeze == 'true'
              env:
                  GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
              run: pnpm run utils code-freeze milestone -o ${{ github.repository_owner }}

            - name: Create next release branch
              id: branch
              if: steps.check-freeze.outputs.freeze == 'true'
              env:
                  GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
              run: pnpm run utils code-freeze branch -o ${{ github.repository_owner }}

            - name: Prepare trunk for next development cycle
              id: prep-trunk
              if: steps.check-freeze.outputs.freeze == 'true'
              env:
                  GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
              run: pnpm run utils code-freeze version-bump -o ${{ github.repository_owner }} -v ${{ steps.milestone.outputs.nextDevelopmentVersion }}.0-dev

            - name: Generate changelog changes
              id: changelog
              if: steps.check-freeze.outputs.freeze == 'true'
              env:
                  GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
              run: pnpm run utils code-freeze changelog -o ${{ github.repository_owner }} -v ${{ steps.milestone.outputs.nextReleaseVersion }}

    notify-slack:
        name: 'Sends code freeze notification to Slack'
        runs-on: ubuntu-20.04
        needs: code-freeze-prep
        if: ${{ needs.code-freeze-prep.outputs.freeze == 'true' && inputs.skipSlackPing != true }}
        steps:
            - name: Checkout code
              uses: actions/checkout@v3
              with:
                  fetch-depth: 0

            - name: Setup PNPM
              uses: pnpm/action-setup@c3b53f6a16e57305370b4ae5a540c2077a1d50dd
              with:
                  version: '8.6.5'

            - name: Setup Node
              uses: actions/setup-node@64ed1c7eab4cce3362f8c340dee64e5eaeef8f7c
              with:
                  node-version-file: .nvmrc
                  cache: pnpm
                  registry-url: 'https://registry.npmjs.org'

            - name: Install prerequisites
              run: |
                  pnpm install --filter monorepo-utils --ignore-scripts
                  # ignore scripts speeds up setup signficantly, but we still need to build monorepo utils
                  pnpm build
              working-directory: tools/monorepo-utils

            - name: Slack
              id: notify
              run: |
                  pnpm utils slack "${{ secrets.CODE_FREEZE_BOT_TOKEN }}" "
                  :warning-8c: ${{ needs.code-freeze-prep.outputs.nextReleaseVersion }} Code Freeze :ice_cube:
                  The automation to cut the release branch for ${{ needs.code-freeze-prep.outputs.nextReleaseVersion }} has run. Any PRs that were not already merged will be a part of ${{ needs.code-freeze-prep.outputs.nextDevelopmentVersion }} by default. If you have something that needs to make ${{ needs.code-freeze-prep.outputs.nextReleaseVersion }} that hasn't yet been merged, please see the <${{ secrets.FG_LINK }}/code-freeze-for-woocommerce-core-release/|fieldguide page for the code freeze>.
                  " "${{ inputs.slackChannelOverride || secrets.WOO_RELEASE_SLACK_CHANNEL }}"